254534453 has 2 divisors, whose sum is σ = 254534454. Its totient is φ = 254534452.

The previous prime is 254534447. The next prime is 254534471. The reversal of 254534453 is 354435452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212634724 + 41899729 = 14582^2 + 6473^2 .

It is a cyclic number.

It is not a de Polignac number, because 254534453 - 2¹⁸ = 254272309 is a prime.

It is a super-3 number, since 3×254534453³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254534473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127267226 + 127267227.

It is an arithmetic number, because the mean of its divisors is an integer number (127267227).

Almost surely, 2^254534453 is an apocalyptic number.

It is an amenable number.

254534453 is a deficient number, since it is larger than the sum of its proper divisors (1).

254534453 is an equidigital number, since it uses as much as digits as its factorization.

254534453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 35.

The square root of 254534453 is about 15954.1359214468. The cubic root of 254534453 is about 633.7464288968.

Subtracting 254534453 from its reverse (354435452), we obtain a palindrome (99900999).

The spelling of 254534453 in words is "two hundred fifty-four million, five hundred thirty-four thousand, four hundred fifty-three".